Every US area code, explainedUnited States · +1
AREA CODE · MICHIGAN

Area code 734

Area code 734 covers Ann Arbor, Michigan. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Michigan Major City: Ann Arbor Eastern Time (ET) Overlay: None
01 / WHERE IT IS

Where is area code 734?

Area code 734 is assigned to Ann Arbor and the surrounding region in Michigan. Calls to numbers that start with 734 are routed to this area.

Area code 734 is not currently part of an overlay: it serves its territory on its own.

Counties covered

Wayne CountyWashtenaw CountyMonroe CountyLivingston County

Line types

  • Mobile 27.18%
  • Landline 72.82%
02 / MAP

Area code 734 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Ann Arbor

This area code is in the Eastern Time (ET) time zone.

Local timeAnn Arbor, MI--:--:--

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04 / HOW TO DIAL

How to call Ann Arbor

WITHIN THE US734 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 734 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 734 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 734 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 734 555 0123
🇦🇺Australia0011 1 734 555 0123
🇯🇵Japan010 1 734 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 734

Share of the number blocks by carrier and line type.

Landline

AT&T
39%
Verizon Business
10%
Lumen Technologies
9%
Windstream Communications
8%
Sinch
8%
Others
26%

Mobile

Verizon Wireless
37%
T-Mobile USA
29%
AT&T Mobility
21%
USA Mobility
11%
Sinch
2%
Others
1%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 734

699 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(734) 201 Landline Dexter SinchONVOY, LLCV - MI
(734) 202 Mobile Ida Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
(734) 203 Landline New Boston BandwidthBANDWIDTH.COM CLEC, LLC - MI
(734) 204 Mobile Dexter Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
(734) 205 Landline Ann Arbor Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI
(734) 206 Landline Temperance AT&TTELEPORT COMMUNICATIONS AMERICA, LLC - MI
(734) 207 Landline Plymouth AT&TMICHIGAN BELL TEL CO
(734) 208 Mobile Flat Rock USA MobilityAMERICAN MESSAGING SERVICES, LLC
(734) 209 Mobile Ypsilanti Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
(734) 210 Landline Ann Arbor BandwidthBANDWIDTH.COM CLEC, LLC - MI

Showing 10 of 699 prefixes

07 / FAQ

Frequently asked questions about area code 734

Where is area code 734 used?
Area code 734 serves Ann Arbor and the surrounding area in Michigan, including Wayne County, Washtenaw County, Monroe County, Livingston County.
What city is area code 734 from?
The main city of area code 734 is Ann Arbor, MI.
What time zone is area code 734 in?
Area code 734 is in the Eastern Time (ET) time zone (America/New_York).
Is 734 an overlay area code?
No. Area code 734 is not currently part of an overlay.
How do I call a number with area code 734 from the United States?
Dial the 10 digits: 734 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 734 number from another country?
Dial your country's exit code (or +), then 1, then 734 and the seven-digit number. From a mobile you can use +1 734 XXX XXXX.
Which carriers use area code 734?
Most landline blocks belong to AT&T and most mobile blocks to Verizon Wireless. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 734 for landlines, mobiles or both?
Both. About 72.82% of the number blocks are landline, 27.18% mobile.
How do I save a 734 number in WhatsApp or my phone?
Save it in international format: +1 734 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 734?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
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